Form4insider filings, from the source

Insider · CIK 0001702984

Daryl C Drummond

Files at: MACK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $15k · 1net −$15k
$10k$10k$100k$100k$1M$1MbuyssalesMay 11May 11May 11May 12May 12May 12May 13

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
May 12, 2017 SForm 4 →May 12, 5:00 pm EDTMERRIMACK PHARMACEUTICALS INCMACK4,097$3.72$15,241101,731−3.87% plan?
May 12, 2017 MForm 4 →May 12, 5:00 pm EDTMERRIMACK PHARMACEUTICALS INCMACK4,097$2.69$11,021105,828— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Dec 11, 2018 AForm 4 →Dec 13, 4:15 pm ESTMERRIMACK PHARMACEUTICALS INCMACK45,000——45,000—
Feb 15, 2018 AForm 4 →Feb 16, 4:07 pm ESTMERRIMACK PHARMACEUTICALS INCMACK40,000——40,000—
Jun 6, 2017 AForm 4 →Jun 7, 4:47 pm EDTMERRIMACK PHARMACEUTICALS INCMACK450,000——450,000—
May 12, 2017 MForm 4 →May 12, 5:00 pm EDTMERRIMACK PHARMACEUTICALS INCMACK4,097——0—